Ahead of the Sunday, September 6, 2026 clash at Home Arena (Germany), the build-up to Celje vs Koper in the Slovenia. Superleague is reaching fever pitch. Kick-off at 20:15. Felix Brych will referee. Weather outlook: Light rain, 14°C. Schwarz remains questionable for Celje; Schneider is a doubt for Koper. History: Celje 4 - 4 Koper (2024). Celje 4 - 3 Koper (2023). Celje 1 - 2 Koper (2023). Celje 3 - 0 Koper (2024). Celje 1 - 3 Koper (2023). Score forecast: 1:2.